<template>
  <div class="icons">
    <swiper>
      <swiper-slide v-for="(page, index) in pages" :key="index">
        <div class="icon"
             v-for="(item, i) in page"
             :key="i"
        >
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" alt="">
          </div>
          <p class="icon-desc" v-text="item.desc"></p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data () {
    return {
      iconList: [{
        id: '0001',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/95/f3dd6c383aeb3b02.png',
        desc: '热门景点22222'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0004',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0005',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0004',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0005',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '郑州必游'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }]
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
.icons >>> .swiper-container
  height: 0
  padding-bottom: 50%
.icon
  position: relative
  overflow: hidden
  float: left
  width: 25%
  padding-bottom: 25%
  .icon-img
    position: absolute
    top: 0
    left: 0
    right: 0
    bottom: .44rem
    box-sizing: border-box
    padding: .1rem
  .icon-img-content
    display: block
    margin: 0 auto
    height: 100%
  .icon-desc
    position: absolute
    left: 0
    right: 0
    bottom: 0
    height: .44rem
    line-height: .44rem
    text-align: center
    color: #333
    overflow: hidden
    white-space :nowrap
    text-overflow: ellipsis
</style>
